(转载)在Fedora 28/27, CentOS/RHEL 7.5/6.9/5.11上安装配置VirtualBox Guest Additions
1.Changerootusersu-##OR##sudo-i2.MakesurethatyouarerunninglatestkernelUpdatevirtualmachinekernelandreboot##Fedora28/27/26/25/24/23/22##dnfupdatekernel*##Fedora21/20/19/18/17,CentOS/RHEL7/6/5##yumupdat